Additional work is in progress on characterization, physical properties and on varying the central metallic atom, and the size as well as the side chains of the azamacrocyclic ligand.
Experimental
S,S-DMBEDT-TTF
Crystal structures and electrical properties of radical-cation salts of the chiral organic donor TMET (S.S,S,Sbis-(dimethylethylenedithio)tetrathiafulvalene) are described. Two structural types, 2:l with octahedral anions PF;, AsF;, SbF;, IT (incommensurate), and 3:2 with tetrahedral anions BF: , Cloy, ReO; are observed. Resistivity measurements between 2 and 298 K indicate that the 3:2 types are organic metals, while the other compounds are semiconductors. (TMET), (CIO,), is metallic down to about 120 K at ambient pressure and remains metallic down to 2 K at 8 kbar.
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